[PATCH RESEND 26/83] drm/meson: Switch to drm_mode_config_create_initial_state
neil.armstrong at linaro.org
neil.armstrong at linaro.org
Thu Nov 5 07:52:29 PST 2026
On 11/5/26 16:29, Maxime Ripard wrote:
> drm_mode_config_reset() has a dual role: it creates the initial KMS
> state at probe time, and resets hardware and software state during
> suspend/resume cycles.
>
> Since the two roles need different behaviors (notably for objects like
> drm_private_obj that must persist across suspend/resume),
> drm_mode_config_create_initial_state() was introduced to handle only
> the initial state creation at probe time.
>
> Switch to drm_mode_config_create_initial_state().
>
> Signed-off-by: Maxime Ripard <mripard at kernel.org>
> ---
> Cc: Jerome Brunet <jbrunet at baylibre.com>
> Cc: Kevin Hilman <khilman at baylibre.com>
> Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> Cc: linux-amlogic at lists.infradead.org
> ---
> drivers/gpu/drm/meson/meson_drv.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
> index 49ff9f1f16d3..dda2dc2d5b00 100644
> --- a/drivers/gpu/drm/meson/meson_drv.c
> +++ b/drivers/gpu/drm/meson/meson_drv.c
> @@ -345,5 +345,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
> goto exit_afbcd;
>
> - drm_mode_config_reset(drm);
> + ret = drm_mode_config_create_initial_state(drm);
> + if (ret)
> + goto uninstall_irq;
>
> drm_kms_helper_poll_init(drm);
>
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
Thanks,
Neil
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